package cn.edu.neusoft.yuejian_00;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        int b=4;
        b=b-2;


        int a=0;
        a=a+3;
    }
}
